Handles everything related to balloon positions, payload orientation over the course of a flight. More...

#include <balloon.hh>

Public Member Functions
void	setObservationLocation (Interaction interaction1, int inu, IceModel antarctic, Settings *settings1)
	This function sets the observation location. More...

void	GetBoresights (Settings settings1, Anita anita1, Position r_boresights[Anita::NLAYERS_MAX][Anita::NPHI_MAX])
	This function gets the boresights. More...

void	PickDownwardInteractionPoint (Interaction interaction1, Anita anita1, Settings settings1, IceModel antarctica1, Ray ray1, int &beyondhorizon, double len_int_km2, Vector force_dir=0)
	This function picks downward interaction point. More...

void	InitializeBalloon ()
	This function initializes the balloon or the specific flight. More...

void	ReadAnitaliteFlight ()
	This function reads in the ANITA LITE flight. More...

void	CenterPayload (double &hitangle_e)
	This function centers the payload. More...

void	PickBalloonPosition (Vector straightup, IceModel antarctica, Settings settings1, Anita *anita1)
	This function picks the balloon position. More...

void	PickBalloonPosition (IceModel antarctica1, Settings settings1, int inu, Anita *anita1, double randomNumber)
	This function picks the balloon position. More...

int	Getibnposition ()
	This function gets ith balloon position. More...

double	GetBalloonSpin (double heading)
	This function gets the spin of the balloon whatever that means. More...

void	GetAntennaOrientation (Settings settings1, Anita anita1, int ilayer, int ifold, Vector &n_eplane, Vector &n_hplane, Vector &n_normal)
	This function gets the antenna orientation. More...

void	GetEcompHcompEvector (Settings *settings1, Vector n_eplane, Vector n_hplane, const Vector n_pol, double &e_component, double &h_component, double &n_component)
	This function gets the e-component, h-component and e-vector. More...

void	GetEcompHcompkvector (Vector n_eplane, Vector n_hplane, Vector n_normal, const Vector n_exit2bn, double &e_component_kvector, double &h_component_kvector, double &n_component_kvector)
	This function gets the e-component, h-component and k-vector. More...

void	GetHitAngles (double e_component_kvector, double h_component_kvector, double n_component_kvector, double &hitangle_e, double &hitangle_h)
	This function gets the hit angles. More...

void	SetDefaultBalloonPosition (IceModel *antarctica1)
	This function sets the default balloon position. More...

void	setr_bn (double latitude, double longitude)
	This function sets r of the balloon. More...

void	AdjustSlacBalloonPosition (int inu)
	This function adjusts the slac balloon position. More...

void	GetSlacPositions (Anita *anita1)
	This function gets the slac balloon positions. More...

void	GetBoresights (Settings settings1, Anita anita1)
	This function gets boresights. More...

void	calculate_antenna_positions (Settings settings1, Anita anita1)
	This function calculates antenna positions. More...

Vector	RotatePayload (Vector ant_pos)
	This function rotates the payload. More...

Vector	unRotatePayload (Vector ant_pos)
	This function UN-rotates the payload. More...

Public Attributes
int	igps
	which balloon position do we use out of the 25000 anitalite GPS positions.

int	ibnposition

double	dtryingposition
	weighting factor: how many equivalent tries each neutrino counts for after having reduced possible interaction positions to within horizon

Vector	slacpositions [MAX_POSITIONS]

string	sslacpositions [MAX_POSITIONS]

int	islacposition

TChain *	flightdatachain

TTreeIndex *	tindex

unsigned int	realTime_flightdata_temp
	realtime from the flight data file

unsigned int	realTime_flightdata
	realtime from the flight data file

float	flatitude

float	flongitude

float	faltitude

float	fheading

float	froll

float	fpitch

double	latitude

double	longitude

double	altitude

double	heading

double	roll

double	pitch

double	MINALTITUDE
	minimum altitude balloon needs to be before we consider it a good event to read from the flight data file

int	igps_previous
	which entry from the flight data file the previous event was so we can just take the next one.

int	REDUCEBALLOONPOSITIONS
	only take every 100th entry in the flight data file

int	WHICHPATH
	0=fixed balloon position,1=randomized,2=ANITA-lite GPS data,3=banana plot

int	RANDOMIZE_BN_ORIENTATION
	0=fixed balloon orientation,1=randomized

double	BN_ALTITUDE
	pick balloon altitude

unsigned short	surfTrigBandMask [9][2]
	Ryan's 16 bit masks for 9 surfs. 2x16 bit masks gives 32 channels per surf.

float	powerthresh [9][32]
	power threshold in Watts

float	meanp [9][32]
	mean power in Watts

double	altitude_bn

double	theta_bn

double	phi_bn
	theta,phi of balloon wrt south pole

Position	r_bn
	position of balloon

double	horizcoord_bn
	x component of balloon position

double	vertcoord_bn
	y component of balloon position

Position	r_boresights [Anita::NLAYERS_MAX][Anita::NPHI_MAX]
	position of antenna boresights

Vector	x_axis_rot

Vector	y_axis_rot

Vector	z_axis_rot

Vector	n_bn
	normalized r_bn

Vector	n_east
	east, as seen from the balloon position

Vector	n_north
	north, as seen from the balloon position

double	surface_under_balloon
	distance between center of the earth and the surface of earth under balloon

Position	r_bn_shadow
	position of the balloon projected on earth surface - point just below balloon at surface of the earth

double	MAXHORIZON
	pick the interaction within this distance from the balloon so that it is within the horizon

double	phi_spin
	orientation of the balloon

int	NPOINTS
	number of GPS positions we're picking from.

int	NPOINTS_MIN
	min and max index for gps positions we want to include in the simulation (to exclude launch and fall). These are set in ReadFlight

int	NPOINTS_MAX

double	latitude_bn_anitalite [100000]
	latitude at times along flightpath, equally distributed among gps data. This is filled with anita or anita-lite data, depending on which the user specifies

double	longitude_bn_anitalite [100000]
	same for longitude

double	altitude_bn_anitalite [100000]
	same for altitude

double	heading_bn_anitalite [100000]
	same for heading of the balloon

double	realtime_bn_anitalite [100000]
	same for real life time

double	BN_LONGITUDE
	balloon longitude for fixed balloon location

double	BN_LATITUDE
	balloon latitude for fixed balloon location

double	min_time

double	max_time

Static Public Attributes
static const int	MAX_POSITIONS =50
	for the slac beam test

Detailed Description

Handles everything related to balloon positions, payload orientation over the course of a flight.

Definition at line 30 of file balloon.hh.

Collaboration diagram for Balloon:

[legend]

Member Function Documentation

void Balloon::AdjustSlacBalloonPosition ( int inu )

This function adjusts the slac balloon position.

move payload around like we did at slac

Parameters

inu -

Returns: returns void

Definition at line 627 of file balloon.cc.

void Balloon::calculate_antenna_positions	(	Settings *	settings1,
		Anita *	anita1
	)

This function calculates antenna positions.

Long description

Parameters

settings1	-
anita1	-

Returns: returns void

Definition at line 1127 of file balloon.cc.

void Balloon::CenterPayload ( double & hitangle_e )

This function centers the payload.

Long description

Parameters

hitangle_e -

Returns: returns void

Definition at line 639 of file balloon.cc.

void Balloon::GetAntennaOrientation	(	Settings *	settings1,
		Anita *	anita1,
		int	ilayer,
		int	ifold,
		Vector &	n_eplane,
		Vector &	n_hplane,
		Vector &	n_normal
	)

This function gets the antenna orientation.

Long description

Parameters

settings1	-
anita1	-
ilayer	-
ifold
n_eplane	-
n_hplane	-
n_normal	-

Returns: returns void

Definition at line 649 of file balloon.cc.

double Balloon::GetBalloonSpin ( double heading )

This function gets the spin of the balloon whatever that means.

Get the azimuth of the balloon

Parameters

heading -

Returns: returns double

Definition at line 287 of file balloon.cc.

void Balloon::GetBoresights	(	Settings *	settings1,
		Anita *	anita1,
		Position	r_boresights[Anita::NLAYERS_MAX][Anita::NPHI_MAX]
	)

This function gets the boresights.

This is a long description that I dont know yet

Parameters

settings1	-
anita1	-
r_boresights	- [NLAYERS_MAX][NPHI_MAX]

Returns: returns void

void Balloon::GetBoresights	(	Settings *	settings1,
		Anita *	anita1
	)

This function gets boresights.

Long description

Parameters

settings1	-
anita1	-

Returns: returns void

Definition at line 1116 of file balloon.cc.

void Balloon::GetEcompHcompEvector	(	Settings *	settings1,
		Vector	n_eplane,
		Vector	n_hplane,
		const Vector	n_pol,
		double &	e_component,
		double &	h_component,
		double &	n_component
	)

This function gets the e-component, h-component and e-vector.

Long description

Parameters

settings1	-
n_eplane	-
n_hplane	-
n_pol
e_component	-
h_component	-
n_component	-

Returns: returns void

Definition at line 704 of file balloon.cc.

void Balloon::GetEcompHcompkvector	(	Vector	n_eplane,
		Vector	n_hplane,
		Vector	n_normal,
		const Vector	n_exit2bn,
		double &	e_component_kvector,
		double &	h_component_kvector,
		double &	n_component_kvector
	)

This function gets the e-component, h-component and k-vector.

Long description

Parameters

n_eplane	-
n_hplane	-
n_normal	-
n_exit2bn	-
e_component_kvector	-
h_component_kvector	-
n_component_kvector	-

Returns: returns void

Definition at line 690 of file balloon.cc.

void Balloon::GetHitAngles	(	double	e_component_kvector,
		double	h_component_kvector,
		double	n_component_kvector,
		double &	hitangle_e,
		double &	hitangle_h
	)

This function gets the hit angles.

Long description

Parameters

e_component_kvector	-
h_component_kvector	-
n_component_kvector	-
hitangle_e	-
hitangle_h	-

Returns: returns void

Definition at line 726 of file balloon.cc.

int Balloon::Getibnposition ( )

This function gets ith balloon position.

Long description

Returns: returns int

Definition at line 303 of file balloon.cc.

void Balloon::GetSlacPositions ( Anita * anita1 )

This function gets the slac balloon positions.

Long description

Parameters

anita1 -

Returns: returns void

Definition at line 917 of file balloon.cc.

void Balloon::InitializeBalloon ( )

This function initializes the balloon or the specific flight.

This is a long description that I dont know yet

Returns: returns void

Definition at line 188 of file balloon.cc.

void Balloon::PickBalloonPosition	(	Vector	straightup,
		IceModel *	antarctica,
		Settings *	settings1,
		Anita *	anita1
	)

This function picks the balloon position.

Long description

Parameters

straightup	-
antarctica	-
settings1	-
anita1	-

Returns: returns void

Definition at line 317 of file balloon.cc.

void Balloon::PickBalloonPosition	(	IceModel *	antarctica1,
		Settings *	settings1,
		int	inu,
		Anita *	anita1,
		double	randomNumber
	)

This function picks the balloon position.

Position of spot under balloon

Parameters

antarctica1	-
settings1	-
inu	-
anita1	-
randomNumber	-

Returns: returns void

Definition at line 400 of file balloon.cc.

void Balloon::PickDownwardInteractionPoint	(	Interaction *	interaction1,
		Anita *	anita1,
		Settings *	settings1,
		IceModel *	antarctica1,
		Ray *	ray1,
		int &	beyondhorizon,
		double	len_int_km2,
		Vector *	force_dir = `0`
	)

This function picks downward interaction point.

This is a long description that I dont know yet

Parameters

interaction1	-
anita1	-
settings1	-
antarctica1	-
ray1	-
beyondhorizon	-

Returns: returns void

Definition at line 762 of file balloon.cc.

void Balloon::ReadAnitaliteFlight ( )

This function reads in the ANITA LITE flight.

ANITA Lite is the first prototype ANITA flight

Returns: returns void

Definition at line 112 of file balloon.cc.

Vector Balloon::RotatePayload ( Vector ant_pos )

This function rotates the payload.

Rotate from payload coord to earth coord

Parameters

ant_pos -

Returns: returns vector

Definition at line 1164 of file balloon.cc.

void Balloon::SetDefaultBalloonPosition ( IceModel * antarctica1 )

This function sets the default balloon position.

Long description

Parameters

antarctica1 -

Returns: returns void

Definition at line 75 of file balloon.cc.

void Balloon::setObservationLocation	(	Interaction *	interaction1,
		int	inu,
		IceModel *	antarctic,
		Settings *	settings1
	)

This function sets the observation location.

This is a long description that I dont know yet

Parameters

interaction1	-
inu	-
antarctic	-
settings1	-

Returns: returns void

Definition at line 46 of file balloon.cc.

void Balloon::setr_bn	(	double	latitude,
		double	longitude
	)

This function sets r of the balloon.

Long description

Parameters

latitude	-
longitude	-

Returns: returns void

Definition at line 742 of file balloon.cc.

Vector Balloon::unRotatePayload ( Vector ant_pos )

This function UN-rotates the payload.

Rotate from earth to payload coord. (undoes RotatePayload)

Parameters

ant_pos -

Returns: returns vector

Definition at line 1221 of file balloon.cc.

The documentation for this class was generated from the following files:

components/icemc/balloon.hh
components/icemc/balloon.cc

Public Member Functions

Public Attributes

Static Public Attributes

Detailed Description

Member Function Documentation